To many firefighters sickened after serving at Ground Zero, “it’s insulting,” said John Feal, an advocate for 9/11 first-responders. “Last I checked, these firefighters were heroes,” he said. “We want to get this changed.”

Memorial wall at FDNY headquarters at Metrotech Plaza with the names of those firefighters who died from 9/11 causes after the attack.Helayne Seidman

The 9/11 attacks killed 343 FDNY firefighters.

Last September, the FDNY added 17 names to a list of Bravest who have died of 9/11-related illness, bringing the total to 127.

But the total number of all 9/11 responders, including firefighters, who have been diagnosed with WTC-linked cancers now exceeds 5,100, records show.